Retired Rear Adm. Mark Montgomery warns Russia is giving China submarine quieting technology that could erode a key U.S. Navy undersea advantage.

T he help China gives Russia in the war in Ukraine has long caused dismay in Western countries. Exports of ostensibly civilian components such as engines and electronics end up in ...

Moscow's wartime pivot to Beijing has helped keep Russia's economy afloat under the weight of sweeping Western sanctions — but at a cost. What looks like a lifeline today may lock Moscow into a ...

The Moscow-controlled Northern Sea Route is a controversial artery cutting through a region that’s increasingly cast as a new ...

A new report documents 616 instances of security cooperation among China, Russia, Iran and North Korea, warning of a dangerous simultaneity problem.

One week ago, three widely respected European news outlets published the results of an investigation into what they described as a “joint plan” by China and Russia to “defeat Elon Musk’s Starlink.” ...

FBI Director Kash Patel says he has forged new law enforcement partnerships with China and Russia, two longtime U.S. rivals, ...

Chinese President Xi Jinping and Russian President Vladimir Putin have projected an image of an unshakeable partnership for years. They have described their relationship as one with “no limits”, ...

China is ready to deepen cooperation with Russia in energy, agriculture and other investments, Premier Li Qiang said during a meeting with Russian Prime Minister Mikhail Mishustin in Moscow on Monday.

Japan’s government is portraying its accelerating military buildup not only as ​a way to protect the country but as a route ...